
Although estrogen and progesterone get most of the spotlight, testosterone plays major roles in a woman’s overall physiology.
Women depend on testosterone for:
When testosterone levels fall, women feel it—but often can’t articulate the cause because the symptoms overlap with thyroid disorders, perimenopause, insulin resistance, and chronic stress.
There are several reasons:
Starting in the early 30s, testosterone begins to decline steadily.
Chronic stress diverts hormone precursors away from sex hormone production.
We discuss this more in our blog on:
How Stress Impacts Sex Hormones
High insulin suppresses sex hormone production.
See our related page:
Prediabetes Is Insulin Resistance
Testosterone drops sharply after ovary removal.
Birth control pills increase sex hormone–binding globulin, lowering free testosterone.
Women often describe:
Many discover that estrogen alone doesn’t correct their symptoms. That’s because estrogen and testosterone work in partnership, not isolation.
Testosterone supports neurotransmitter balance, including dopamine and serotonin.
Low libido is often multifactorial, but testosterone is central to desire and arousal.
Women report:
Testosterone helps regulate:
This connects closely to our Functional Medicine approach.
Women frequently tell us:
“I feel clear again.”
“I’m not overwhelmed anymore.”
“My focus is back.”
We explore this more on our Brain Fog page.
Women often fear that testosterone will cause:
When dosing is appropriate and monitored, these outcomes are uncommon.
The key is individualized dosing guided by symptoms and lab markers — not generic pellet dosing.